Presentation on theme: "The Dark Side of Solar Energy Photovoltaic solar."— Presentation transcript:
The Dark Side of Solar Energy Photovoltaic solar
Grid Intertie Inverters Solar cells generate Direct Current (DC) The grid operated on Alternating Current (AC) 60 Hz in the US and North America; 50 Hz in Europe and other places.. The AC to DC conversion is done by a switch mode power supply (SMPS) which interrupts current flow, sending dirty electricity back into the grid
Thermal solar No dirty electricity problem with thermal solar DC solar systems without an inverter or SMPS have no dirty electricity problem Dirty electricity is high frequency voltage transients and harmonics (electrical pollution) contaminating the utility 60 HZ supply
Dirty Electricity Makes people and animals ill Is a potent universal carcinogen Is responsible for most of the diseases of civilization Can be detected as AM radio interference Can be filtered of of the power supply with capacitors
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